Numbering design: The seal is laser printed with a default serial number displayed in black letters to facilitate recording information during use; the total length of the stamp seal is 9.8 inches / 250 mm. Tamper-proof: One-time use numbered zipper tamper seals, each with a unique identification number; once locked, the zippered plastic tag cannot be opened. 1000 pieces of self-locking stamp seals provided. High-quality materials: The plastic safety tamper seal is made of plastic, offering anti-aging, corrosion-resistant properties and good elasticity; the numbered zipper seal is suitable for tool kits, providing secure closure without being overly difficult to break. Easy to use: In emergency situations, pull the tie and the seal can be easily torn off by hand; features automatic locking and manual release, with adjustable length. Plastic safety tamper tags are designed to meet various needs. Wide range of applications: Numbered disposable tamper seals are suitable for fire extinguishers, tool kits, zipper bags, cables, cloth bags, hospitals, duty-free shops, supermarkets, ID tags, sprinkler systems, and trailers. Color: White. Material: Plastic. Package contents: 1 set of security tags. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.